Table 12. Analysis result of HiREV designed by black anodizing on cold case (safe hold mode)

Results (°C)	Worst cold case – safe hold mode (black anodizing)
Components	Limit Tmin	Margin	Analysis Tmin	Analysis Tmax	Margin	Limit Tmax
OBC	–40	56	16	30.5	54.5	85
Solar panel	–100	28	–72	84	41	125
EPS board	–40	39.5	–0.5	11.3	73.7	85
Battery	–10	8.5	–1.5	3.1	46.9	50
Reaction wheel	–40	42	2	21	64	85
Star tracker	–25	12.8	–12.2	0.7	49.3	50
GPS R	–40	30	–10	0.6	84.4	85
GPS A	–40	2	–38	22	63	85
Magnetorquer	–40	15	–25	–14	84	70
UV transceiver	–40	15.5	–24.5	–18.5	103.5	85
UV antenna	–40	–5	–45	–13.1	83.1	70
S-band transceiver	–40	15	–25	–21	71	50
S-band antenna	–40	–5	–45	–13.4	133.4	120
Camera lens	–40	20	–20	–17.3	97.3	80
Camera module	–40	17.5	–22.5	–11.5	91.5	80
Payload OBC	–40	33	–7	0.5	84.5	85
Ethernet switch	–40	25.5	–14.5	7	78	85

HiREV, high resolution video and image.